Las Piñas City is one of the cities and municipalities that comprise Metro Manila in the Philippines. It is bordered on the northeast by Parañaque City, by the municipality of Bacoor in the province of Cavite to the southwest, by Muntinlupa City to the southeast, and by Manila Bay to the northwest. REPUBLIC OF THE PHILIPPINES Founded—March 27, 1907. 2000 census—472,780. Las Piñas is famous throughout the world for its Bamboo Organ. This is a fully wooden organ that uses bamboo for its pipes. Since its establishment as a small fishing port and a major salt-making center during the Spanish Era, Las Piñas has grown into an important residential and industrial suburb of Manila.
Las Piñas was one of the earliest fishing settlements on the shores of Manila Bay.
It became a separate municipality from Parañaque on March 27, 1907 by virtue of Philippine Commission Act No. 1625. Then, with the founding of the Metropolitan Manila Area (now Metro Manila) in 1976, Las Piñas became one of the municipalities and cities comprising the region.
On February 12, 1997, President Fidel V. Ramos signed the bill declaring Las Piñas a new city. A plebiscite held a month after found the residents in approval of cityhood and Las Piñas became the tenth city of Metro Manila on March 26, 1997.